I like both but I like grapes better.
Green seedless grapes.
grapes.
I've never liked raisins much, other than in cinnamon raisin bagels :P Grapes on their own are pretty good, especially green ones. They can be quite refreshing in hot weather.
I like grapes better.
Raisins feel weird in the mouth, so I go with grapes
I prefer grapes but they often don't like me and cause me indigestion, however the partially dried grape I've never been particularly keen on but if you cover it in chocolate or yoghurt it is much easier to swallow, and helps the bowel shift
raisins because they take up less space (but not sultanas, I'm not a fan of those...)
Frozen red grapes are the best.